Initial commit: Biibaye branding extension

- Overrides app name to Biibaye via translations
- Sets window title to Biibaye - Delivery System
- Injects primary color #FF4500 and dark bg #343538
- Replaces favicons with custom assets (placeholder files)
- Includes site.webmanifest with Biibaye config
- Minimal Ember engine to satisfy Fleetbase extension system

public/favicon/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/favicon/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

public/favicon/safari-pinned-tab.svg

@@ -0,0 +1 @@
+<svg version="1" xmlns="http://www.w3.org/2000/svg" width="346.667" height="346.667" viewBox="0 0 260.000000 260.000000"><path d="M7.2 2.6C-.5 7.2.1-2.3.1 130.4.1 241.9.2 249.3 1.9 252c.9 1.6 3 4 4.6 5.2l3 2.3h240.4l2.8-2.1c1.5-1.1 3.8-3.5 4.9-5.2l2.1-3.1-.1-119.5c-.1-119-.1-119.5-2.2-122.2-1.1-1.5-3.3-3.7-4.8-4.8C249.9.5 249.4.5 130.5.4L11.2.2l-4 2.4z"/></svg>

public/favicon/site.webmanifest

@@ -0,0 +1,7 @@
+{
+    "name": "Biibaye - Delivery System",
+    "short_name": "Biibaye",
+    "theme_color": "#FF4500",
+    "background_color": "#343538",
+    "display": "standalone"
+}